功能描述

• 无需引入三方依赖
• 文本匹配网址（支持多个）
• 网址解析（包括协议、主机、路径、参数等）

package com.qiangesoft.image.utils;import org.springframework.util.Assert;
import org.springframework.util.CollectionUtils;import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Consumer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;/*** url工具类** @author qiangesoft* @date 2024-04-29*/
public class UrlHelper {/*** 正则表达式*/private static final Pattern PATTERN = Pattern.compile("((http|https|ftp):\\/\\/)?([\\w\\-]+\\.)+[\\w\\-]+(:[0-9]+)?(/[\\w\\[\\]\\-.~!*'();:@&=+$,/?#%]*)");public static void main(String[] args) throws MalformedURLException {String content = "8.97 复制打开抖音，看看【三融在东帝汶的作品】找个没人的地方. 然后一直躺到下午  https://v.douyin.com:8087/i2eTcJ82/?id=111&name=fsfe g@O.kP NwS:/ 06/18 ";List<String> list = UrlHelper.findAll(content);for (String s : list) {System.out.println(s);}String one = UrlHelper.findOne(content);System.out.println(UrlHelper.getProtocol(one));System.out.println(UrlHelper.getHost(one));System.out.println(UrlHelper.getPort(one));System.out.println(UrlHelper.getPath(one));System.out.println(UrlHelper.getFile(one));System.out.println(UrlHelper.getAuthority(one));System.out.println(UrlHelper.getQuery(one));System.out.println(UrlHelper.getQueryParam(one));}/*** 匹配第一个网址url** @param content* @return*/public static String findOne(String content) {Assert.notNull(content, "content must be not null !");List<String> list = findAll(content);return CollectionUtils.isEmpty(list) ? null : list.get(0);}/*** 匹配所有网址url** @param content* @return*/public static List<String> findAll(String content) {Assert.notNull(content, "content must be not null !");List<String> list = new ArrayList<>();findAll(content, (matcher) -> {list.add(matcher.group(0));});return list;}private static void findAll(String content, Consumer<Matcher> consumer) {if (null != content) {Matcher matcher = PATTERN.matcher(content);while (matcher.find()) {consumer.accept(matcher);}}}/*** 获取协议** @param url* @return* @throws MalformedURLException*/public static String getProtocol(String url) throws MalformedURLException {URL urlO = new URL(url);return urlO.getProtocol();}/*** 获取主机和端口号** @param url* @return* @throws MalformedURLException*/public static String getAuthority(String url) throws MalformedURLException {URL urlO = new URL(url);return urlO.getAuthority();}/*** 获取主机** @param url* @return* @throws MalformedURLException*/public static String getHost(String url) throws MalformedURLException {URL urlO = new URL(url);return urlO.getHost();}/*** 获取端口** @param url* @return* @throws MalformedURLException*/public static int getPort(String url) throws MalformedURLException {URL urlO = new URL(url);return urlO.getPort() == -1 ? urlO.getDefaultPort() : urlO.getPort();}/*** 获取文件名** @param url* @return* @throws MalformedURLException*/public static String getFile(String url) throws MalformedURLException {URL urlO = new URL(url);return urlO.getFile();}/*** 获取路径** @param url* @return* @throws MalformedURLException*/public static String getPath(String url) throws MalformedURLException {URL urlO = new URL(url);return urlO.getPath();}/*** 获取查询参数** @param url* @return* @throws MalformedURLException*/public static String getQuery(String url) throws MalformedURLException {URL urlO = new URL(url);return urlO.getQuery();}/*** 获取查询参数** @param url* @return* @throws MalformedURLException*/private static Map<String, String> getQueryParam(String url) {String regex = "(\\?|&+)(.+?)=([^&]*)";Pattern pattern = Pattern.compile(regex);Matcher matcher = pattern.matcher(url);Map<String, String> paramMap = new HashMap<>();while (matcher.find()) {String key = matcher.group(2);String value = matcher.group(3);paramMap.put(key, value);}return paramMap;}}